Neil has three friends in the school. They are all________.
---I will go riding with my friends this weekend.---Really? ________!
--- Is there ___________ to tell us? --- No, nothing.
I met an old friend of mine ______________ my grandparents’ home.
—Would you mind turning down the music?— _____________.
— Your aunt often walks the dog in the morning.— Yeah, ___________ bad weather stops her.A. when B. unless C because D. since